Rock River Water Reclamation District
3333 Kishwaukee St, Rockford, IL 61109 · Winnebago County · Publicly Owned Treatment Works
- Average flow
- 22.28 MGD
- Design flow
- —
- NPDES permit
- ILL027201
- Effective
- Permit expires
- December 2030
- Population served
- 250,015
- CWNS 2022
Rock River Water Reclamation District is a publicly owned wastewater treatment works in Rockford, Winnebago County, Illinois treating an average of 22.28 million gallons per day, serving about 250,015 residents. It discharges under NPDES permit ILL027201 (effective), which expires in December 2030, with 10 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Rock River Water Reclamation District.
Available with a free Klarifi account
See the full treatment train at Rock River Water Reclamation District: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 10
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
26 verified contacts for Rock River Water Reclamation District, with validated emails and direct phone numbers.
Unlock 26 verified contacts (23 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Rock River Water Reclamation District, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Davis Junction · 9 mi away
0.22 MGD
Byron · 10 mi away
0.28 MGD
Seward · 13 mi away
0.007 MGD
Pecatonica · 15 mi away
0.14 MGD
Poplar Grove · 15 mi away
0.23 MGD
Kirkland · 15 mi away
0.14 MGD
Rockton · 16 mi away
0.33 MGD
Poplar Grove · 17 mi away
0.22 MGD
Rock River Water Reclamation District: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 21, 2026; facility record last updated March 6, 2025.